LOGOTHECA

Glossary category · 36 terms

Growth, Marketing & Metrics

How products attract, convert, retain and measure customers.

MRR / ARR

Foundational

Monthly / Annual Recurring Revenue

Predictable subscription revenue, normalised to a month or a year. The headline number for any subscription business.

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Churn

Foundational

Customers leaving

The rate at which customers cancel over a period. Revenue churn weights this by how much each was paying, which matters more than the count.

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CAC

Foundational

Customer Acquisition Cost

The total sales and marketing spend divided by the number of new customers it produced.

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LTV:CAC Ratio

Established

The efficiency test

How much a customer is worth against what they cost to win. Around 3:1 is the commonly cited healthy benchmark for subscription businesses.

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Payback Period

Established

Time to recover acquisition cost

How many months of a customer's revenue it takes to earn back what you spent winning them. Directly affects how much cash growth consumes.

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NRR

Established

Net Revenue Retention

Revenue from existing customers this year against last, including upgrades, downgrades and cancellations. Above 100% means the existing base grows without any new customers.

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Funnel

Foundational

The path to becoming a customer

The stages people pass through from first awareness to purchase, narrowing at each step.

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MQL / SQL

Established

Marketing / Sales Qualified Lead

Stages of lead readiness: an MQL has shown interest, an SQL has been judged ready for a sales conversation. Note that SQL here has nothing to do with the database language.

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ICP

Established

Ideal Customer Profile

A clear description of the type of organisation your product serves best. Sharpens targeting and stops wasted sales effort.

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TAM / SAM / SOM

Established

Total / Serviceable Addressable Market, Serviceable Obtainable Market

Market sizing from the theoretical maximum, down to the portion you can actually reach, down to what you can realistically win.

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GTM

Established

Go-To-Market

The plan for how a product reaches customers: who it is for, the pricing, the channels and the sales motion.

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PLG

Established

Product-Led Growth

Letting the product itself drive acquisition and expansion, through free tiers and self-service, rather than leading with sales.

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Onboarding

Foundational

Getting users to first value

The path a new user takes from signing up to getting genuine benefit. The single biggest lever on early retention.

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Activation

Established

The first real success

The moment a new user does the thing that makes the product valuable to them. Defining it precisely is half the work.

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Retention

Foundational

Customers who stay

How many users are still active after a given period. Usually the most honest indicator of whether a product is actually good.

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NPS

Established

Net Promoter Score

A single-question survey on how likely someone is to recommend you, scored from minus 100 to plus 100. Widely used and widely criticised.

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OKR

Established

Objectives and Key Results

A goal-setting method pairing an ambitious objective with a few measurable results that prove it was met.

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SEO

Foundational

Search Engine Optimisation

Improving a site so it ranks well in search results without paying for placement.

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A/B Test

Established

Comparing two versions

Showing two variants to different groups and measuring which performs better, rather than deciding by opinion.

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Attribution

Established

Which effort produced the sale

Working out which marketing touchpoints deserve credit for a conversion. Genuinely difficult, and most models are imperfect.

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CRM

Foundational

Customer Relationship Management

The system of record for customers and prospects, such as Salesforce or HubSpot.

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CMS

Foundational

Content Management System

Software for creating and editing website content without needing a developer, such as WordPress.

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USP / UVP

Established

Unique Selling Proposition / Unique Value Proposition

A clear statement of the distinctive value that makes a product or service meaningfully preferable to its alternatives.

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DAU / WAU / MAU

Established

Daily / Weekly / Monthly Active Users

Counts of distinct users who meet a defined active-use threshold in a day, week or month, used to measure product engagement.

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ARPU / ARPA

Established

Average Revenue Per User / Account

Average revenue generated per user or customer account during a period, useful for tracking monetisation and customer mix.

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Unit Economics

Established

Per-customer business economics

The revenue, direct cost and contribution generated by one customer or unit, used to judge whether growth is financially sustainable.

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